Lathes Flashcards
1
Q
Parts of metal lathe: 4
A
Headstock, tailstock, 3 jaw chuck, toolpost
2
Q
Metal lathe tools: 4
A
- parting off tool
- centre drill (locates start point)
- tap (internal threading)
- die ( external threading) je ne sais pas si tap and die are commercial or on the lathe
3
Q
How to knurl; chamfer
A
- KNURLING creates surface texture grip, reduce speed SLOW
- CHAMFER square edge to 45° sloped edge
4
Q
Wood lathe tools: 4
A
- gauge: rough parallel turning
- round nose scraper: ‘smoother’ finish
- parting tool: cutting notches
- skew chisel: v grooves & chamfers
5
Q
Preparing a blank for the wood lathe: 5
A
Paper flashcard
6
Q
Bowl vs spindle turning
A
Bowls turned on face plate, spindles between revolving & forked centre
7
Q
Quality turning 2
A
Increase speed, sharpen tools,
8
Q
Metal lathe 4
A
Tools held by tool post
Accurat, excellent finish
Hard & sharp cutting tools
High temperatures
9
Q
Parallel vs step turning
A
P: reduce diameter
S: creates a step
10
Q
Setting up lathes
A
Secure material
Tool rest correct height & distance
Everything locked in place,
Metal: guard down, chuck key removed